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The vulnerability of the Zimbra Collaboration Suite’s email management system, related to incorrect restrictions on XML links to external objects, allows attackers to carry out XXE attacks.

🗓️ 08 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Zimbra Collaboration Suite vulnerability due to improper XML external entity restrictions enabling remote XXE attacks.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33371
20 Mar 202600:00
attackerkb
Circl
CVE-2026-33371
20 Mar 202616:06
circl
CNNVD
Zimbra Collaboration 安全漏洞
20 Mar 202600:00
cnnvd
CVE
CVE-2026-33371
20 Mar 202600:00
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Cvelist
CVE-2026-33371
20 Mar 202600:00
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EUVD
EUVD-2026-13696
20 Mar 202615:31
euvd
NVD
CVE-2026-33371
20 Mar 202614:16
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Positive Technologies
PT-2026-26615
20 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-33371
26 Mar 202615:16
redhatcve
Vulnrichment
CVE-2026-33371
20 Mar 202600:00
vulnrichment
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08 Jun 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24
CVSS 34.3
EPSS0.00234
1